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SubjectRe: [Bug #12650] Strange load average and ksoftirqd behavior with 2.6.29-rc2-git1

* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:

> Here the calls to rcu_process_callbacks() are only 75
> microseconds apart, so that this function is consuming more
> than 10% of a CPU. The strange thing is that I don't see a
> raise_softirq() in between, though perhaps it gets inlined or
> something that makes it invisible to ftrace.

look at the latest trace please, that has even the most inline
raise-softirq method instrumented, so all the raising is
visible.

Ingo


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